1）能激发学生阅读兴趣,开拓视野;

2）适合高中学生的英文水平。

注意：

1）词数80左右;

2）可以适当增加细节,以使行文连贯。

Dear Mr. Williams,

Yours sincerely,

Li Hua

What comes first: the optimism or the good health?

    Optimism, defined as the general expectation that the future will be favorable, could provide ways to improve health, some researchers believe. But scientists remain unsure if optimism goes ahead of health improvements, or vice versa.

    A recent study suggests that most people can't help but to think optimistically. This study was conducted by Ed O'Brien, a social psychologist at the University of Michigan in Ann Arbor. The findings suggest that people have a natural tendency to think positively about their future.

    Participants were asked to create a list of imaginary personal experiences that would make them happy or unhappy over the course of the next year. They then ranked how difficult it was to plan that list and how happy they believed they would be in the future overall. The easier it was for people to think of positive future experiences, the happier they imagined they would be. However, there was no relationship between easily developing negative future experiences and expecting to be unhappy as a result.

    O'Brien concluded that people seem to discount the possibility that future negative events will make them happy overall, suggesting that optimism might come more naturally. "We're not as used to thinking about the future in terms of things that are going to go wrong." O'Brien's study is one of many to find that people are consistently optimistic about their future, predicting pleasant experiences and discounting unpleasant ones. If optimism may lead to better health and people generally tend to think optimistically, what does this mean for the connection between mental and physical health? "If we can make sure that optimism comes before healthy states, we might be able to involve and improve people's optimism," Boehm explained. However, it's difficult to determine what comes first: the optimism or the good health.

阅读下面短文，根据其内容写一篇60词左右的内容概要。

    When a rather dirty, poorly-dressed person kneels at your feet and puts out his hands to beg for a few coins, do you hurry on, not knowing what to do, or do you feel sad and hurriedly hand over some money? What should our attitude to beggars be? There can't be no question that the world is full of terrible sad stories. It must be terrible to have no idea where our next meal is coming from. It seems cruel not to give some money to beggars.

    Certainly, most of the world's great religions order us to be open-hearted and share what we have with those less fortunate than ourselves. But has the world changed? Maybe what was morally right in the old days, when one knew exactly who in the village had suffered misfortune and needed help, is no longer the best idea. Quite a few people will not give to beggars. Let us look at their arguments.

    First, some believe that many city beggars dress up on purpose to look pitiable and actually make a good living from begging. Giving to beggars only encourages this sort of evils. Secondly, there is the worry that the money you give will be spent on beer, wine or drugs. Thirdly, there is the opinion that there is no real excuse for begging. One might be poor, but that is no reason for losing one's sense of pride and self-dependence.

    Related to this is the opinion that the problem should be dealt with by the government rather than ordinary people. Some people think beggars should go to the local government department and receive help.

    It is hard to come to a conclusion; there are various cases and we must deal with them differently. A few coins can save a life in some situations, and even if the money is wasted, that does not take away the moral goodness of the giver.

    Did you know that 60.2% of US families own dogs? That's over 75 million families. Besides getting a faithful companion, these friends also provide many health benefits that can be truly life changing for your fitness and wellness.

    Most dogs need to do their business outside many times per day, so you are up and moving more often than non-pet owners. The average dog owner spends 300 minutes per week walking, compared to a non-pet owner's 168 minutes. Frequent daily exercise lowers your blood pressure and reduces your chances of suffering from heart disease.

    Your physical health isn't the only thing that gets better with a companion dog. You can also improve your mental well-being. People suffering from anxiety find it helpful to have a dog on hand that's happy to provide assistance. You can find many dogs operating as emotional support animals, and help people in stressful situations feel better. If your dog is a more active type, you could find yourself taking your friend all over the place. If you take your dog to the forest, you actually lower your tendency to suffer negative(消极的) feelings. A research study discovered that the part of the brain that is most active when you deal with negative things calms down when you spend time among the trees.

    The dog ownership routine allows you to build healthy habits and it also gives you the opportunity to make social connections. Dog parks are filled with people you share a common interest with, and there are plenty of people who love to give dogs a friendly pat(轻拍)during walks. All of these are opportunities to have new great friendships and other emotional connections.

    Your doctor might not write down a dog prescription(处方),but when you become a dog owner; you get plenty of health benefits.

    Getting up early has been seen as a good habit since ancient times. Many years ago, people thought that if we went to bed early and got up early, we would be energetic (精力充沛的) the whole day. So, getting up early is of great importance to us all.

    In fact, morning is the best time of a day. In the morning, the air is the freshest and people are usually in the best condition. Many of us may have the experiences that we memorize some things more quickly and correctly in the morning than any other time of the day. And it is certain that we find it easier to understand what we learn. If we get up early and do some morning exercises or only take a short walk in the morning, without doubt we can build up our bodies and become much healthier. Also we will have enough time to make a plan and get ready for our work or study of the day if we get up early. For example, if everyone in the family gets up early, the wife will have enough time to prepare the breakfast for the whole family. Children will have enough time to catch the school bus, and the husband will never forget to change his dirty shirt. Everything is in order. However, if we get up late, we'll probably have to do everything in a hurry.

    Getting up early is such a good habit that we should try our best to keep it. If we stick to (坚持) getting up early every day, we will certainly benefit a lot from it.